Quote:
Originally Posted by edub370
There's no possible way u lost hp. u may have lost low end torque, which is tricking your butt dyno, but i garuntee that u gained power up top. unless u went much larger than 60mm, u probably didn't lose i gigantic amount of tq down low either
|
My piping was 70mm. This is why I hard to choose whether to continue using the Test Pipe then go for a tune or replace back OEM Cats. Any suggestion guys?